eeeee eevee eever ekeko ekker ekuku ekuru ekwok eorre erere ereve erewe erkko eroor erore errew error eruke euro- eurre evere evero everr eveve evoke evoor evour eweek keere keeve kerek kerre kerve kever ko-ko koeru koker kokko kokor kokou kokre kokur kooru korek korke korku koror korro korue koruk korve kouer koure kouwo kovor kovur kowke kre-o kreek kreke kreo- kreuk krewe kroke kukko kukok kukow kukur kurek kurku kurov kurow kurre kuruk kweek okeke okere okker okkur okoro okuku okuru oo-er ooooo oovoo oowee oreo- orere orero oroer oroke orrow oruku oruro orwoe ouoro oure- ouver ouvre ouwer over- overo owre- reere reeve reewe rekke rekow reowe rere- reree rerow reuer reuwe rever revow revue rewer rewve ro-ro roero roewe rokee roker rokke rokkk rokow rooer rooke roore rooue roove rorer rorke rouer rouke rouko roure rouwe rover rowek rower rowke rowwe ruere rukke ruwer ukeke uouee ureo- urewe urker urour urowo uuork uuuuu uvrou veere veeve vekke vekre verek verke verre verve veuve veveo vever voere vokee vokov voore vooru vorke vorow vorre vorwe voure vowee vower vowre vrouw vuere vuver weeke weere weero weeve wekke weore weork weowe were- werew werke werre werur werve wever wokou wooer wooke woore woree worke worku worow worre wouke wowee wowke wowow wreke wroke wrowe wueke wukro wwwww